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Finding the Fourth Proportional to 258,058.34, 356,111.37 and 144,885.86

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Solution

The fourth proportional to 258,058.34, 356,111.37 and 144,885.86 is: 199,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,058.34 : 356,111.37 = 144,885.86 : x
  2. Step 2: Convert to fraction form
    258,058.34/356,111.37 = 144,885.86/x
  3. Step 3: Cross multiply
    258,058.34x = 356,111.37 × 144,885.86
  4. Step 4: Simplify right side
    258,058.34x = 51,595,502,098.23
  5. Step 5: Solve for x
    x = 51,595,502,098.23/258,058.34
  6. Step 6: Final answer
    x = 199,937.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.